In message <4e958d396eIan_Hamilton@xxxxxxxxxxxxxxxx> Ian Hamilton <Ian_Hamilton@xxxxxxxxxxxxxxxx> wrote: > In article <4e95806b5dRichard.Torrens@xxxxxxx>, RJT > <Richard.Torrens@xxxxxxx> wrote: > > >> As the machine boots through, concurrent with the VProtect window, >> there opens an Error window - "Unknown Operand". I click on cancel and >> the machine boots OK. > > I suspect the problem is a variable that hasn't been set e.g. > > If <Fred>="" THEN Echo Yes > > If Fred doesn't exist the 'Unknown Operand' error occurs. No, that would be "Missing operand". You get "Unknown operand" in a similar situation: If Fred="" THEN Echo Yes which otherwise has the same meaning as the line you suggested. Martin -- --------------------------------------------------------------------- Martin Wuerthner MW Software lists@xxxxxxxxxxxxxxx --------------------------------------------------------------------- --- To alter your preferences or leave the group, visit //www.freelists.org/list/iyonix-support Other info via //www.freelists.org/webpage/iyonix-support